1863, from German Spectrometer (Moritz Meyerstein, 1863); see spectro- + -meter.
Entries linking to spectrometer
spectro-
word-forming element meaning "of or by a spectroscope," also "of radiant energy," from combining form of spectrum.
-meter
word-forming element meaning "device or instrument for measuring;" commonly -ometer, occasionally -imeter; from French -mètre, from Greek metron "a measure," from PIE root *me- (2) "to measure."